Scaled Copies and Drawings

Quadrilateral A has side lengths 6, 9, 9, and 12. Quadrilateral B is a scaled copy of Quadrilateral A, with its shortest side of length 2. What is the perimeter of Quadrilateral B?

• 1/3

• 12

• 36

• 6

Rectangle A measures 12 inches by 6 inches. Rectangle B is a scaled copy of Rectangle A. Select all of the measurement pairs that could be the dimensions of Rectangle B.

• 3 inches by 1.5 inches

• 7 inches by 3 inches

• 24 inches by 18 inches

• 60 inches by 30 inches

If the scale factor is greater than one, the new figure will be

• reduction

• enlargement

• scale

• not proportional

The original perimeter of a rectangle is 30cm, if we enlarge it by a scale factor of 4 what is the new perimeter?

• 120

• 480

• 1920

what is the length of x?

• 9mm

• 4mm

• 4/9mm

• 36mm

Which of the following is a scaled copy of figure A?

• B

• C

• D

If the scale factor is less than one, the new figure will be

• an enlargement

• a reduction

• a scale factor

• bigger

What is the scale factor from triangle ABC to triangle DEF?

• 1/2

• 7/3

• 2/1

• 10/3

The pair of figures is similar. Find the missing side.

• x = 12

• x = 3

• x = 40

• x = 4

The pair of figures is similar. Find the missing side.

• x = 20

• x = 12

• x = 5

• x = 4